Double bar D-ring buckle



FIG. 1 is a front perspective view of a double bar D-ring buckle showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left-side elevational view thereof;

FIG. 4 is a right-side elevational view thereof; and,

FIG. 5 is a top plan view thereof, the bottom being identical thereto. 

The ornamental design for a double bar D-ring buckle, as shown and described. 